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My Brother HL-2170W printer makes a squeaking noise when it is printing or when the print engine is starting up, such as when waking up from sleep or after closing the front cover. As far as I can tell, the squeaking noise has nothing to do with the toner or drum, but appears to be in the paper feed rollers, as the noise isn't made when the print engine starts up without the paper cassette inserted. There are no print-quality problems, so the only problem is the squeaking noise.

The printer is well out of warranty, and I'm willing to perform simple disassembly, but only as long as the risk of damage is minimal—I do not want to buy another printer. What should I do?

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Have you checked fixya.com? They have lots and lots of printer tips and suggestions. –  Llamanerds Jan 7 '13 at 18:59

3 Answers 3

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I'm not very hopeful, but did you try the easy solutions? Going to your computer's printer settings and asking it to perform a cleaning. For my printer, there's an option to clean those rollers, or something.

If this doesn't work, well... You seem confident enough to actually play with the device. Do your best to reach the rollers in question. And then, what causes squeaking noises? If there's nothing weird around the roller and all screws look like they're where they should be, it might be in need of oil or such. Give it some lubrificant (carefully! you wouldn't want to soil your prints) where the mechanical contact is, if it looks like that's where the noise comes from.

In any case, I think it's just in need of maintenance. If you can't find the issue yourself, you could just bring it to a store where they have technicians, and they could thoroughly "revive" your printer from A to Z. Shouldn't be too expensive.

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I've tried it. I'm very hesitant to use any aerosol or oil, though, since this is a fire hazard. –  DragonLord Jan 10 '13 at 1:06
    
Fire hazard? Uhm, to make fire, don't you need sparks or something? oo' Anyway, if you're not confident, might be best to bring it to a technician. –  Ariane Jan 10 '13 at 4:19
    
There are warnings on the printer saying not to use aerosols because of a fire hazard. From my understanding, the fine particles of the aerosol combined with the heat of the fuser can cause a fire. –  DragonLord Jan 10 '13 at 4:46
    
I believe you. But I'm still surprised. Anyway, yush. I think you should bring it to a technician. –  Ariane Jan 10 '13 at 7:35
    
Well, this is not worth it for a sub-$100 printer. Since this isn't causing paper jams or other problems, I'll just deal with it... –  DragonLord Jan 11 '13 at 2:47

I have a brother laser printer that was squeaking for 1/2 a year! Model HL 5370. Yesterday, I finally installed a new drum as it required it (I have the 20K yield drum). I swear it was wheels and other moving parts that I couldn't access that were causing the issue but turns out, it was the drum! No more squeaking. It's been a day printing and I'm still saying, wow. No more squeak! Wish that could your solution as well. It's just expensive to go switching out drums when you haven't used it completely but if you have another on hand, I would suggest just trying that and see so you can for sure rule out the drum as the issue. Best of luck.

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Take out the paper tray. Then turn the entire printer upside down.

Look for a white small gear, and then also a black larger gear that spins against a large white gear. Apply some Vaseline or WD40 to these three gears. Be careful not to over lubricate as you will get an oil drip, and be careful not to hit the reddish toner drum with errant WD40.

Turn the machine 180 degrees (right side up), and print 1-4 pages.

The squeaks should go away ... over time as the gears lubricate.

I have 3 of these in my office and 2 squeaked. This fix stopped that squeak.

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